Here are ten super facts about Mars:
Mars is the fourth planet from the Sun and is often referred to as the "Red Planet" due to its reddish appearance in the night sky.
It has a diameter of 6,779 kilometers (4,212 miles), which is roughly half the size of Earth, and a mass about one-tenth that of Earth.
A year on Mars (the time it takes to orbit the Sun) is about 687 Earth days, while a day (the time it takes to rotate once on its axis) is similar to Earth's, lasting approximately 24 hours and 39 minutes.
Mars has a thin atmosphere composed mainly of carbon dioxide, with traces of nitrogen and argon, and has a surface pressure less than 1% of Earth's.
The planet has the largest volcano in the Solar System, Olympus Mons, which is about 22 kilometers (14 miles) high and 600 kilometers (370 miles) wide.
Mars also has the deepest and longest canyon in the Solar System, Valles Marineris, which is over 4,000 kilometers (2,500 miles) long and up to 7 kilometers (4 miles) deep.
The planet has two small moons, Phobos and Deimos, which are irregularly shaped and likely captured asteroids.
Mars has been explored by numerous spacecraft, including the Viking 1 and 2 missions in the 1970s, the Mars Pathfinder mission in 1996, and more recently by NASA's Curiosity rover, which has been exploring the planet since 2012.
Scientists believe that Mars may have had a much thicker atmosphere and liquid water on its surface in the past, which could have potentially supported life.
In 2020, NASA launched the Perseverance rover, which is designed to search for signs of ancient microbial life and collect samples of rock and soil for future return to Earth.
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